on the war but doing so as we do in washington from the comfort of the north lawn reporting on the pentagon and the white house and the troops upsurge numbers and how this became a project that's really became attached to. lou: you focus on this particular battle, you talk with nearly 225 individuals. how long did that take? >> they range from generals, private, widows, couple insurgents, one of whom i interviewed by skype. it was a big project that every time i thought i wasev done, tak to smitty, i mean ultimately i just had to stop because there was never going to be a time where i had talked to everybody. lou: you are pursuing one of the toughest explanations, that is how those men can be caught ate that outpost and be the target to be outnumbered so outrageously and incapable of being protected. this is how it started. how is in hospi in the hospitaly newborn son, jack. he was a day-old, out of the corner of my eye i saw the story about the outpost and never heard of combat outpost. coverage along the lines of what would anybody put outpost there? it became a mystery that i needed to s